Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2002 Lexus GS 430FACTORY OEM SERVICE PROCEDURE

Charging Systems: Generator: Replacement

Replace Front Bearing
1. Remove the 4 screws, bearing retainer and bearing.
2. Using SST and a press, press out the bearing.
  1. SST 09950-60010 (09951-00260, 09952-06010)
  Fig 1: Displaying Pressed Out Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using SST and a press, press in a new bearing.
  1. SST 09950-60010 (09951-00520)
4. Install the bearing retainer with the 4 screws.
  1. Torque : 3.0 N.m (31 kgf.cm, 27 in.lbf)
  Fig 2: Pressing In New Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Replace Rear Bearing
1. Using SST, remove the bearing cover (outside) and bearing.
  1. SST 09820-00021
  NOTE: Be careful not to damage the fan.
2. Remove the bearing cover (inside).
  
  Fig 3: Removing Bearing Cover & Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Place the bearing cover (inside) on the rotor.
4. Using SST and a press, press in a new bearing.
  1. SST 09820-00031
  Fig 4: Placing Bearing Cover On Rotor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Using SST, push in the bearing cover (outside).
  1. SST 09285-76010
  Fig 5: Pushing In Bearing Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.